139 × 3989

Prime Factor Structure

Factorization String 139 × 3989

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 558,600

Proper Divisor Sum 4,129

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #554467 ← → #554503

1 139 3,989 554,471

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

554,471 1,663,414 831,707 2,495,122 1,247,561 3,742,684 1,871,342 935,671 2,807,014 1,403,507 4,210,522 2,105,261 6,315,784 3,157,892 1,578,946 789,473 2,368,420 1,184,210 592,105 1,776,316 888,158 444,079 1,332,238 666,119 1,998,358 999,179 2,997,538 1,498,769 4,496,308 2,248,154 1,124,077 3,372,232 1,686,116 843,058 421,529 1,264,588 632,294 316,147 948,442 474,221 1,422,664 711,332 355,666 177,833 533,500 266,750 133,375 400,126 200,063 600,190 300,095 900,286 450,143 1,350,430 675,215 2,025,646 1,012,823 3,038,470 1,519,235 4,557,706

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.